Fetches all the headers sent by the server in response to a HTTP request

설명

array get_headers ( string $url [, int $format= 0 ] )

get_headers() returns an array with the headers sent by the server in response to a HTTP request.

인수

url: The target URL.
format: If the optional format parameter is set to non-zero, get_headers() parses the response and sets the array's keys.

반환값

Returns an indexed or associative array with the headers, or FALSE on failure.

변경점

버전	설명
5.1.3	This function now uses the default stream context, which can be set/changed with the stream_context_get_default() function.

예제

Example #1 get_headers() example


<?php
$url = 'http://www.example.com';

print_r(get_headers($url));

print_r(get_headers($url, 1));
?>

위 예제의 출력 예시:

Array
(
    [0] => HTTP/1.1 200 OK
    [1] => Date: Sat, 29 May 2004 12:28:13 GMT
    [2] => Server: Apache/1.3.27 (Unix)  (Red-Hat/Linux)
    [3] => Last-Modified: Wed, 08 Jan 2003 23:11:55 GMT
    [4] => ETag: "3f80f-1b6-3e1cb03b"
    [5] => Accept-Ranges: bytes
    [6] => Content-Length: 438
    [7] => Connection: close
    [8] => Content-Type: text/html
)

Array
(
    [0] => HTTP/1.1 200 OK
    [Date] => Sat, 29 May 2004 12:28:14 GMT
    [Server] => Apache/1.3.27 (Unix)  (Red-Hat/Linux)
    [Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT
    [ETag] => "3f80f-1b6-3e1cb03b"
    [Accept-Ranges] => bytes
    [Content-Length] => 438
    [Connection] => close
    [Content-Type] => text/html
)